A storm like that is an 'anomaly' for this area. [=a storm like that does not usually happen in this area]
The doctor detected an 'anomaly' [='irregularity'] in my heartbeat.
(..) Okay, okay. Stay right there. I'm on my way. Stay right with them. Hey! Get on! Ladies and gentlemen, due to a containment anomaly... Ladies and gentlemen, due to a containment anomaly... Ladies and gentlemen, due to a containment anomaly... All units, take position on boardwalk. (..)2015 Jurassic World